<!DOCTYPE HTML>
<meta charset="utf-8">
<title>CSS Grid Test: Subgrids with 'overflow' and/or 'scrollbar-gutter'</title>
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<link rel="author" title="Mozilla" href="https://www.mozilla.org/">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1879770">
<link rel="help" href="https://drafts.csswg.org/css-grid-2/#subgrid-item-contribution">
<link rel="match" href="scrollbar-gutter-001-ref.html">

<style>
:root {
  overflow: scroll; /* Required to reproduce the bug on Firefox */
}
.grid {
  inline-size: 75px;
  display: inline-grid;
  border: 5px solid blue;
  vertical-align: top;
}
.subgrid {
  block-size: 75px;
  display: grid;
  grid: auto / subgrid;
}
.item {
  inline-size: 50px;
  block-size: 50px;
  background: green;
}
</style>

<p>All the following subgrid scroll container shouldn't have any scrollbars.</p>

<p>Testcase 1: subgrid with 'overflow: scroll'</p>
<div class="grid">
  <div class="subgrid" style="overflow: scroll;">
    <div class="item"></div>
  </div>
</div>
<div class="grid" style="writing-mode: vertical-rl;">
  <div class="subgrid" style="overflow: scroll;">
    <div class="item"></div>
  </div>
</div>

<p>Testcase 2: subgrid with 'overflow: auto' and 'scrollbar-gutter: stable'</p>
<div class="grid">
  <div class="subgrid" style="overflow: auto; scrollbar-gutter: stable;">
    <div class="item"></div>
  </div>
</div>
<div class="grid" style="writing-mode: vertical-rl;">
  <div class="subgrid" style="overflow: auto; scrollbar-gutter: stable;">
    <div class="item"></div>
  </div>
</div>

<p>Testcase 3: subgrid with 'overflow: hidden' and 'scrollbar-gutter: stable'</p>
<div class="grid">
  <div class="subgrid" style="overflow: hidden; scrollbar-gutter: stable;">
    <div class="item"></div>
  </div>
</div>
<div class="grid" style="writing-mode: vertical-rl;">
  <div class="subgrid" style="overflow: hidden; scrollbar-gutter: stable;">
    <div class="item"></div>
  </div>
</div>
